• NO2 or not NO2, that is the question...

Air Monitoring

NO2 or not NO2, that is the question...

Mar 08 2017

If you’re looking for a chemiluminescent NOx (NO and NO2) analyser with “enhanced” NO2 measurement capability then look no further!

ET are pleased to introduce the NEW T200P Photolytic NO2/NO/NOx Analyser with patented high efficiency Blue Light Converter (BLC), also known as a photolytic converter.

The T200P is based on the standard T200 analyser but uses a photolytic LED array BLC converter to convert NO2 to NO rather than a traditional catalytic (stainless steel) or chemical reagent (molybdenum) based converter.

This may sound a bit complicated, but what does it mean in practice?

Being far more “specific” (and therefore with less measurement uncertainty) means that NO2 measurements are made more accurately and precisely than from regular chemiluminescent NOx analysers which are known to overestimate NO2 by up over 50% in some applications.

And as the T200P also measures NO, then users have the best of both worlds, precise and accurate NO measurements with enhanced NO2 measurement performance.

Perfect for roadside and urban background sites, especially those that are close to, or exceed the annual NO2 limit value of 40 µg/m3.

And if “true” direct NO2 measurement is what you are looking for, and don’t necessarily need the NO channel, then check out our most advanced NO2 analyser, the MCERTS approved T500U CAPS analyser.

For more information on the T200P (or any other of our NO2 and NOx analysers) call ET to speak to one of their specialists or download their handy NOx analyser comparison brochure from the website. 


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